Add an E2E build & test, check linked dylibs of the executable

.github/workflows/test.yml

@@ -6,6 +6,8 @@ on:
       - master
       - staging
       - trying
+  pull_request:
+    branches: [master]
   schedule:
     - cron: '0 2 * * *' # To test `wasmer-nightly` with `libwasmer_archive_name`.
 
@@ -74,6 +76,12 @@ jobs:
           export CGO_LDFLAGS="-Wl,-rpath,$(pwd)/libwasmer/lib/ -L$(pwd)/libwasmer/lib/ -lwasmer"
           just test -tags custom_wasmer_runtime
 
+      - name: Run e2e tests (default)
+        if: ${{ !matrix.target.libwasmer_archive_name }}
+        shell: bash
+        run: |
+          just e2e
+
       - name: Run all the examples
         shell: bash
         run: |

e2e/.gitignore

@@ -0,0 +1,2 @@
+vendor
+app

e2e/go.mod

@@ -0,0 +1,3 @@
+module wasmer-go.org/app/v2
+
+go 1.16

e2e/main.go

@@ -0,0 +1,32 @@
+package main
+
+import (
+	"fmt"
+	"io/ioutil"
+
+	wasmer "github.com/wasmerio/wasmer-go/wasmer"
+)
+
+func main() {
+	// fmt.Println(C.ffi_lz4_version_number())
+	wasmBytes, _ := ioutil.ReadFile("simple.wasm")
+
+	engine := wasmer.NewEngine()
+	store := wasmer.NewStore(engine)
+
+	// Compiles the module
+	module, _ := wasmer.NewModule(store, wasmBytes)
+
+	// Instantiates the module
+	importObject := wasmer.NewImportObject()
+	instance, _ := wasmer.NewInstance(module, importObject)
+
+	// Gets the `sum` exported function from the WebAssembly instance.
+	sum, _ := instance.Exports.GetFunction("sum")
+
+	// Calls that exported function with Go standard values. The WebAssembly
+	// types are inferred and values are casted automatically.
+	result, _ := sum(5, 37)
+
+	fmt.Println(result) // 42!
+}

e2e/test.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+rm -r vendor || echo 'error ignored'
+mkdir -p vendor/github.com/wasmerio/wasmer-go
+cp -r ../wasmer vendor/github.com/wasmerio/wasmer-go
+GODEBUG=cgocheck=2 go build -o app
+ldd app || echo 'error ignored'
+otool -L app || echo 'error ignored'
+./app

justfile

@@ -11,6 +11,11 @@ examples:
 	# Run the examples.
 	GODEBUG=cgocheck=2 go test -v
 
+e2e:
+	#!/usr/bin/env bash
+	cd e2e
+	./test.sh
+
 # Preview the documentation (needs `godoc`, see `go get -v golang.org/x/tools/cmd/godoc`).
 preview-doc ADDRESS="0.0.0.0" PORT="9090":
 	@echo "Starting godoc preview..."